5.15-stable review patch. If anyone has any objections, please let me know.
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From: Jacob Pan jacob.jun.pan@linux.intel.com
[ Upstream commit a34f3e20ddff02c4f12df2c0635367394e64c63d ]
The page request queue is per IOMMU, its allocation should be made NUMA-aware for performance reasons.
Fixes: a222a7f0bb6c ("iommu/vt-d: Implement page request handling") Signed-off-by: Jacob Pan jacob.jun.pan@linux.intel.com Reviewed-by: Kevin Tian kevin.tian@intel.com Link: https://lore.kernel.org/r/20240403214007.985600-1-jacob.jun.pan@linux.intel.... Signed-off-by: Lu Baolu baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel jroedel@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iommu/intel/svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 3a9468b1d2c3c..a96c9a15c9fee 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -88,7 +88,7 @@ int intel_svm_enable_prq(struct intel_iommu *iommu) struct page *pages; int irq, ret;
- pages = alloc_pages(GFP_KERNEL | __GFP_ZERO, PRQ_ORDER); + pages = alloc_pages_node(iommu->node, GFP_KERNEL | __GFP_ZERO, PRQ_ORDER); if (!pages) { pr_warn("IOMMU: %s: Failed to allocate page request queue\n", iommu->name);